forked from Imagelibrary/rtems
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @brief Console configuration.
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*/
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/*
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* Copyright (C) 2008, 2014 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rtems/bspIo.h>
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#include <libchip/ns16550.h>
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#include <mpc83xx/mpc83xx.h>
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#include <bsp.h>
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#include <bsp/irq.h>
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#include <bsp/console-termios.h>
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#ifdef BSP_USE_UART_INTERRUPTS
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#define DEVICE_FNS &ns16550_handler_interrupt
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#else
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#define DEVICE_FNS &ns16550_handler_polled
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#endif
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static uint8_t gen83xx_console_get_register(uintptr_t addr, uint8_t i)
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{
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volatile uint8_t *reg = (volatile uint8_t *) addr;
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return reg [i];
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}
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static void gen83xx_console_set_register(uintptr_t addr, uint8_t i, uint8_t val)
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{
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volatile uint8_t *reg = (volatile uint8_t *) addr;
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reg [i] = val;
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}
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static ns16550_context gen83xx_uart_context_0 = {
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.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"),
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.get_reg = gen83xx_console_get_register,
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.set_reg = gen83xx_console_set_register,
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.port = (uintptr_t) &mpc83xx.duart[0],
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#if MPC83XX_CHIP_TYPE / 10 == 830
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.irq = BSP_IPIC_IRQ_UART,
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#else
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.irq = BSP_IPIC_IRQ_UART1,
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#endif
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.initial_baud = BSP_CONSOLE_BAUD
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};
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#ifdef BSP_USE_UART2
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static ns16550_context gen83xx_uart_context_1 = {
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.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"),
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.get_reg = gen83xx_console_get_register,
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.set_reg = gen83xx_console_set_register,
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.port = (uintptr_t) &mpc83xx.duart[1],
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#if MPC83XX_CHIP_TYPE / 10 == 830
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.irq = BSP_IPIC_IRQ_UART,
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#else
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.irq = BSP_IPIC_IRQ_UART2,
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#endif
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.initial_baud = BSP_CONSOLE_BAUD
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};
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#endif
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const console_device console_device_table[] = {
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{
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.device_file = "/dev/ttyS0",
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.probe = ns16550_probe,
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.handler = DEVICE_FNS,
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.context = &gen83xx_uart_context_0.base
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}
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#ifdef BSP_USE_UART2
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, {
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.device_file = "/dev/ttyS1",
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.probe = ns16550_probe,
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.handler = DEVICE_FNS,
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.context = &gen83xx_uart_context_1.base
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}
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#endif
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};
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const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
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static void gen83xx_output_char(char c)
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{
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rtems_termios_device_context *ctx = console_device_table[0].context;
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ns16550_polled_putchar(ctx, c);
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}
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BSP_output_char_function_type BSP_output_char = gen83xx_output_char;
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BSP_polling_getchar_function_type BSP_poll_char = NULL;
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